\begin{tikzpicture}
    \tkzDefPoints{0/0/A, -1/0/O_1, 0.3/-0.5/O_2, 0.8/0.8/O_3}

    \tkzDrawCircle[thick](O_1,A)
    \tkzDrawCircle[thick](O_2,A)
    \tkzDrawCircle[thick](O_3,A)
    \tkzDrawPoints(O_1, O_2, O_3, A)
    \tkzLabelPoints[above right](A)
    \tkzLabelPoints[below](O_1, O_2)
    \tkzLabelPoints[right](O_3)
\end{tikzpicture}

